SphereXP (3D Desktop)

Check out SphereXP... it looks cool (but make sure your computer has got the basic requirements).

The Sphere is theory of an 3D workspace represented by a sphere. The user is exactly in the middle of it. All objects are situated around the user. He can easily turn around and manipulate with them. They can be moved around according to some rules. You can bring them closer to the view port or send them back. The theory can be applied to almost any known program. Starting with the desktop interface. Now continuing with a web browser.